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A ladder 25 feet long is leaning against a wall

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A ladder 25 feet long is leaning against a wall that is perpendicular to level ground. The bottom of the ladder is 7 feet from the base of the wall. If the top of the ladder slips down 4 feet, how many feet will the bottom of the ladder slip?
(A) 4 (B) 5 (C) 8 (D) 9 (E) 15
Official Answer

1 Answer

adigupta1
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Triplet will be 25,24,7 and when it slips by 4 feet it will be 25,20,15. Hence 15-7=8 Answwer
answered Oct 16, 2016 by Beginner (1 point)
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